Precious stone



FIG. 1 is a perspective view of the precious stone showing my newdesign;

FIG. 2 is a top view;

FIG. 3 is a bottom view;

FIG. 4 is a front view, the rear view being symmetrical; and,

FIG. 5 is a side view, the opposing side being symmetrical.

CLAIM The ornamental design for a precious stone, as shown anddescribed.